'use strict'
const path = require('path')

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = '报表' // page title

const port = process.env.port || process.env.npm_config_port || 9531

const px2rem = require('postcss-px2rem')

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  publicPath: './',
  outputDir: '20210621/www',
  // assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  devServer: {
    port: port,
    open: false,
    disableHostCheck: true,
    overlay: {
      warnings: false,
      errors: true
    },
    // proxy: {
    //   '/api/v1/*': {
    //     target: 'http://hwork-backend-report.qd-aliyun-internal.haier.net',
    //     changeOrigin: true,
    //     pathRewrite: {
    //     }
    //   },
    //   '/gw/gateway/v1/*': {
    //     target: 'https://iwork-dev.jsh.com',
    //     changeOrigin: true,
    //     pathRewrite: {
    //       '^/gw/gateway/v1': 'https://iwork-dev.jsh.com/gw/gateway/v1'
    //     }
    //   }
    // }
    // before: require('./mock/mock-server.js')
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  css: {
    extract: true,
    loaderOptions: {
      postcss: {
        plugins: [
          px2rem({
            remUnit: 100
          })
        ]
      },
      scss: {
        prependData: `@import "~@/styles/variables.scss";`
      }
    }
  },
  chainWebpack(config) {
    config.plugins.delete('preload')
    config.plugins.delete('prefetch')
    // set index.html title
    config.plugin('html')
      .tap(args => {
        args[0].title = '加盟意向确认'
        return args
      })
    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('source-map')
      )
    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial' // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true
                }
              }
            })
          config.optimization.runtimeChunk('single')
        }
      )
  }
}
